Double take

"It's midnight, and Ariel Gold has just arrived on Kiawah Island, a few miles southeast of Charleston, South Carolina. She's come to her grandfather's home for a break from L.A. - from gridlock and drive-by shootings and tremors - and from a problem that is uniquely her own: she is struggling to recover from a total and devastating memory loss. But the weekend will not be the restful hiatus she imagined. Late at night on a deserted stretch of bea...